handle double project by copying
Fix the duplicate field names in join operator.  Work in progress for column star.
bit agg functions
not function implementation
in merge receiver, handle case where no records are returned
fix bug introduced in AggTypes
initialize min and max functions for bit
Add extract functions
fix merge join to handle case where right batch has zero records
lower quantity threshold in tech query 18 so that more than zero records are returned
Extract functions: avoid creating joda objects for each row
DRILL-474 - Long.MIN_VALUE is not parsed as BIGINT but as a Double
DRILL-475: TestJdbcQuery fails on Windows due to resource leak
DRILL-476: Create binary_string() function to convert encoded binary string to sequence of bytes
DRILL-477: o.a.d.exec.vector.ValueHolderHelper.getVarCharHolder() creates a BigEndian buffer
DRILL-452: Conversion functions for external data types